package com.itheima.service;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrderSettingDao;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * @author ：wanghao
 * @date ：Created in 2020/12/1
 * @description ：体检预约服务接口实现类
 * @version: 1.0
 */
@Service
@Transactional
public class OrderServiceImpl implements OrderService {
    @Autowired
    private OrderDao orderDao;
    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;

    // 体检预约
    @Override
    public Result order(Map map) throws Exception {
        // 检查用户所选的预约日期是否已经提前进行了预约设置
        String orderDate = (String) map.get("orderDate");
        Date date = DateUtils.parseString2Date(orderDate);
        OrderSetting orderSetting = orderSettingDao.findByOrderDate(date);
        if (orderSetting == null) {
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        // 检查用户所选的预约日期是否已经约满
        int number = orderSetting.getNumber();  // 可预约人数
        int reservations = orderSetting.getReservations();// 已预约人数
        if (reservations >= number) {
            return new Result(false, MessageConstant.ORDER_FULL);
        }
        // 检查当前用户是否是会员，根据手机号判断
        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByTelephone(telephone);
        // 已经是会员，防止重复预约
        if (member!=null){
            Integer memberId = member.getId();
            int setmealId = Integer.parseInt((String) map.get("setmealId"));
            Order order = new Order();
            order.setMemberId(memberId);
            order.setSetmealId(setmealId);
            order.setOrderDate(date);
            List<Order> orderList = orderDao.findByCondition(order);
            if (orderList != null || orderList.size() > 0){
                // 已经完成了预约，不能重复预约
                return new Result(false,MessageConstant.HAS_ORDERED);
            }
        }

        // 可以预约，设置预约人数加1
        orderSetting.setReservations(orderSetting.getReservations()+1);
        orderSettingDao.editReservationsByOrderDate(orderSetting);
        if(member == null){
            // 当前用户不是会员，完成注册
            member = new Member();
            member.setName((String) map.get("name"));
            member.setPhoneNumber(telephone);
            member.setIdCard((String) map.get("idCard"));
            member.setSex((String) map.get("sex"));
            member.setRegTime(new Date());
            memberDao.add(member);
        }

        // 保存预约信息到预约表
        Order order = new Order();
        order.setMemberId(member.getId());
        order.setOrderDate(date);
        order.setOrderType((String) map.get("orderType"));
        order.setOrderStatus(Order.ORDERSTATUS_NO);
        order.setSetmealId(Integer.parseInt((String)map.get("setmealId")));
        orderDao.add(order);
        return new Result(true,MessageConstant.ORDER_SUCCESS,order.getId());
    }

    @Override
    public Map findById(Integer id) throws Exception {
        Map map = orderDao.findById(id);
        if (map!=null){
            Date orderDate = (Date) map.get("orderDate");
            map.put("orderDate",DateUtils.parseDate2String(orderDate));
        }
        return map;
    }


}
